Add "implode" control before request

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/ics_opendata/trunk@84091 735d13b6-9817-0410-8766-e36946ffe9aa
ics_od_dataviz initial import 

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/ics_opendata/trunk@84093 735d13b6-9817-0410-8766-e36946ffe9aa
Change author email

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/ics_opendata/trunk@84094 735d13b6-9817-0410-8766-e36946ffe9aa